Jericho: er Tell es-Sultan-Riha, Eriha, Yeriho. Oldest city in the world.
Discovered and excavated by Kathleen Kenyon in her Trench I, the Neolithic tower was built and destroyed in Pre-Pottery Neolithic A, which Kenyon dated to 8000-7000 B.C. The 8m diameter tower stands 8m tall and was connected on the inside of a 4m thick wall.